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BHS phy sci unit 6

Chapters 10 & 11

TermDefinition
Amonton's law Gas law stating that, if the volume of a gas is held constant, increasing the temperature of the gas increases its pressure.
atom Smallest particle of an element that still has the element’s properties.
Boyle's law Gas law stating that, if the temperature of a gas is held constant, increasing the volume of the gas decreases its pressure.
Charles's law Gas law stating that, if the pressure of a gas is held constant, increasing its temperature increases its volume.
chemical change Change in matter that occurs when matter changes chemically into an entirely different substance with different chemical properties.
chemical property Property of matter that can be measured or observed only when matter changes to a different substance.
colloid Homogeneous mixture in which the particles are large enough to reflect light but too small to settle or filter out of the mixture.
compound Unique substance that forms when two or more elements combine chemically.
condensation Process in which a gas changes to a liquid.
crystal Rigid, lattice-like framework of many atoms bonded together that is formed by some compounds such as table salt (NaCl).
density Amount of mass in a given volume of matter; calculated as mass divided by volume.
deposition Process in which a gas changes directly to a solid without going through the liquid state.
element Pure substance that cannot be separated into any other substances.
energy Ability to cause changes in matter.
evaporation Process in which a liquid changes to a gas without boiling.
flammability Ability of matter to burn.
freezing Process in which a liquid changes to a solid.
gas State of matter that has neither a fixed volume nor a fixed shape.
kinetic energy Energy of moving matter.
kinetic theory of matter Theory that all matter consists of constantly moving particles.
law of conversation of mass Law stating that matter cannot be created or destroyed in chemical reactions.
liquid State of matter that has a fixed volume but not a fixed shape.
mass Amount of matter in a substance or object.
matter Anything that has mass and volume.
melting Process in which a solid changes to a liquid.
mixture Combination of two or more substances in any proportions.
molecule Smallest particle of a compound that still has the compound’s properties.
physical change Change in one or more of matter’s physical properties.
physical property Property of matter that can be measured or observed without matter changing to a different substance.
plasma State of matter lacking a fixed volume and fixed shape that contains ions so it can conduct electricity and respond to magnetism.
pressure Amount of force pushing against a given area.
reactivity ability of matter to combine chemically with other substances
solid State of matter that has a fixed volume and fixed shape.
solution Homogeneous mixture in which particles are too small to reflect light and too small to settle or be filtered out of the mixture.
states of matter Different forms (solid, liquid, gas, and plasma) in which matter can exist without the chemical makeup of matter changing.
sublimation Process in which a solid changes directly to a gas without going through the liquid state.
suspension Heterogeneous mixture in which particles are large enough to reflect light and to settle or be filtered out of the mixture.
temperature Average kinetic energy of particles of matter.
vaporization Process in which a liquid boils and changes to a gas.
volume Amount of space that matter takes up.
weight Measure of the force of gravity pulling on an object.
Created by: ballen1209
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